| Title | Letter from Prof WF Giauque, Department of Chemistry, University of California, to Simon, on papers on the use of gamma rays in low temperature calorimetry, sent to Giauque by Dr Nicholas Kurti, Clarendon laboratory, and enclosing an article by Giauque entitled 'The Determination of Thermodynamic Temperatures and Other Properties in the Region of 1 Degree Absolute Without the Introduction of Heat of these Temperatures' |